repro_nan2.js
No OneTemporary
Actions

Size

1 KB

Referenced Files

None

Subscribers

None

repro_nan2.js
View Options

	// Test 1: closure_var with upvalue capture (original bug)
	function closure_var(n) {
	function f(a) { sum++; }
	var j, sum;
	sum = 0;
	for (j = 0; j < n; j++) { f(j); f(j); f(j); f(j); }
	return n * 4;
	}

	// Test 2: same loop but no upvalue capture - just a noop inner call
	function no_capture(n) {
	function f(a) { return 1; }
	var j, sum;
	sum = 0;
	for (j = 0; j < n; j++) { sum += f(j); }
	return n;
	}

	// Test 3: same structure but no inner call at all
	function no_inner_call(n) {
	var j, sum;
	sum = 0;
	for (j = 0; j < n; j++) { sum += 1; sum += 1; sum += 1; sum += 1; }
	return n * 4;
	}

	// Test 4: closure_var but return sum instead of n*4
	function closure_ret_sum(n) {
	function f(a) { sum++; }
	var j, sum;
	sum = 0;
	for (j = 0; j < n; j++) { f(j); f(j); f(j); f(j); }
	return sum;
	}

	var tests = [
	["closure_var", closure_var, function(n) { return n * 4; }],
	["no_capture", no_capture, function(n) { return n; }],
	["no_inner_call", no_inner_call, function(n) { return n * 4; }],
	["closure_ret_sum", closure_ret_sum, function(n) { return n * 4; }],
	];

	for (var t = 0; t < tests.length; t++) {
	var name = tests[t][0], fn = tests[t][1], expect = tests[t][2];
	var fails = 0;
	for (var i = 0; i < 60; i++) {
	var n = (i < 10) ? (i + 1) : (i * 100);
	var result = fn(n);
	var exp = expect(n);
	if (result !== exp) {
	if (fails < 5)
	console.log("FAIL " + name + "(" + n + ") = " + result + ", expected " + exp);
	fails++;
	}
	}
	if (fails > 0) console.log(" " + name + ": " + fails + " failures total");
	else console.log(" " + name + ": PASS");
	}